Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2005LANCER L4-2.0L SOHCREPAIR AND DIAGNOSISCRUISE CONTROLCRUISE CONTROL SWITCHTESTING AND INSPECTION
2005 Mitsubishi Lancer L4-2.0L SOHC
Cruise Control Switch: Testing and Inspection
2005 Mitsubishi Lancer L4-2.0L SOHCSECTION Testing and Inspection
AUTO-CRUISE CONTROL SWITCH CHECK
AUTO-CRUISE CONTROL MAIN SWITCH CHECK

1. Turn the ignition switch to the "ON" position.
2. check that the "CRUISE" indicator light within the combination meter illuminates when the "CRUISE" (MAIN) switch is switched "ON".
AUTO-CRUISE CONTROL SETTING
1. Switch "ON" the "CRUISE" (MAIN) switch.
2. Drive at the desired speed, above approximately 40 km/h (25 mph).

3. Push the auto-cruise control switch in the direction of arrow.
4. check to be sure that when the switch is released the speed is the desired constant speed.
NOTE: If the vehicles speed decreases to approximately 15 km/h (9 mph) below the set speed because of climbing a hill for example, the auto-cruise control will be cancelled.
SPEED-INCREASE SETTING

1. Set to the desired speed.
2. Push the auto-cruise control switch in the direction of arrow.
3. Check to be sure that acceleration continues while the switch is held and that after it is released the constant speed at the time when it was released becomes the driving speed.
NOTE: Acceleration can be continued even if the vehicle speed has passed the high-speed limit [approximately 200 km/h (124 mph)]. But the speed when the auto-cruise control switch is released will be recorded as the high-speed limit.
SPEED-REDUCTION SETTING

1. Set to the desired speed.
2. Push the auto-cruise control switch in the direction of arrow.
3. Check to be sure that deceleration continues while the switch is pressed and that after it is released the constant speed at the time when it was released becomes the driving speed.
NOTE: When the vehicle speed reaches the low limit [approximately 40 km/h (25 mph)] during deceleration, the auto-cruise control will be cancelled.
RETURN TO THE SET SPEED BEFORE CANCELLATION AND AUTO-CRUISE CONTROL CANCELLATION
1. Set the auto-cruise speed control.
2. When any of the following operations are performed while at constant speed during auto-cruise control, check if normal driving is resumed and deceleration occurs.

1. The auto-cruise control switch is pulled in the direction of arrow.
2. The brake pedal is depressed.
3. The selector lever is moved to the "N" range.
3. At a vehicle speed of 40 km/h (25 mph) or higher, check if when the "ACC/RES" switch is switched ON, the vehicle speed returns to the speed before auto-cruise control driving was cancelled and constant speed driving occurs.
4. When the "CRUISE" (MAIN) switch is turned to the "OFF" while driving at constant speed, check if normal driving is resumed and deceleration occurs.
AUTO-CRUISE CONTROL CHECK


Measure the resistance between the terminals when each of the "COAST/SET", "ACC/RES", "CANCEL" and "CRUISE" (MAIN) switches is pressed. If the values measured at the time correspond to those shown in the table, the resistance values are correct.
AUTO-CRUISE CONTROL MAIN SWITCH CHECK
1. Turn the ignition switch to the "ON" position.
2. check that the "CRUISE" indicator light within the combination meter illuminates when the "CRUISE" (MAIN) switch is switched "ON".
AUTO-CRUISE CONTROL SETTING
1. Switch "ON" the "CRUISE" (MAIN) switch.
2. Drive at the desired speed, above approximately 40 km/h (25 mph).
3. Push the auto-cruise control switch in the direction of arrow.
4. check to be sure that when the switch is released the speed is the desired constant speed.
NOTE: If the vehicles speed decreases to approximately 15 km/h (9 mph) below the set speed because of climbing a hill for example, the auto-cruise control will be cancelled.
SPEED-INCREASE SETTING
1. Set to the desired speed.
2. Push the auto-cruise control switch in the direction of arrow.
3. Check to be sure that acceleration continues while the switch is held and that after it is released the constant speed at the time when it was released becomes the driving speed.
NOTE: Acceleration can be continued even if the vehicle speed has passed the high-speed limit [approximately 200 km/h (124 mph)]. But the speed when the auto-cruise control switch is released will be recorded as the high-speed limit.
SPEED-REDUCTION SETTING
1. Set to the desired speed.
2. Push the auto-cruise control switch in the direction of arrow.
3. Check to be sure that deceleration continues while the switch is pressed and that after it is released the constant speed at the time when it was released becomes the driving speed.
NOTE: When the vehicle speed reaches the low limit [approximately 40 km/h (25 mph)] during deceleration, the auto-cruise control will be cancelled.
RETURN TO THE SET SPEED BEFORE CANCELLATION AND AUTO-CRUISE CONTROL CANCELLATION
1. Set the auto-cruise speed control.
2. When any of the following operations are performed while at constant speed during auto-cruise control, check if normal driving is resumed and deceleration occurs.
1. The auto-cruise control switch is pulled in the direction of arrow.
2. The brake pedal is depressed.
3. The selector lever is moved to the "N" range.
3. At a vehicle speed of 40 km/h (25 mph) or higher, check if when the "ACC/RES" switch is switched ON, the vehicle speed returns to the speed before auto-cruise control driving was cancelled and constant speed driving occurs.
4. When the "CRUISE" (MAIN) switch is turned to the "OFF" while driving at constant speed, check if normal driving is resumed and deceleration occurs.
AUTO-CRUISE CONTROL CHECK
Measure the resistance between the terminals when each of the "COAST/SET", "ACC/RES", "CANCEL" and "CRUISE" (MAIN) switches is pressed. If the values measured at the time correspond to those shown in the table, the resistance values are correct.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.